JPS5666908A - Cascode circuit - Google Patents

Cascode circuit

Info

Publication number
JPS5666908A
JPS5666908A JP14292879A JP14292879A JPS5666908A JP S5666908 A JPS5666908 A JP S5666908A JP 14292879 A JP14292879 A JP 14292879A JP 14292879 A JP14292879 A JP 14292879A JP S5666908 A JPS5666908 A JP S5666908A
Authority
JP
Japan
Prior art keywords
voltage
source
transistor
fet
emitter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP14292879A
Other languages
Japanese (ja)
Other versions
JPS6016126B2 (en
Inventor
Nobuo Fujiwara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Priority to JP14292879A priority Critical patent/JPS6016126B2/en
Publication of JPS5666908A publication Critical patent/JPS5666908A/en
Publication of JPS6016126B2 publication Critical patent/JPS6016126B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
    • H03F1/22—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of cascode coupling, i.e. earthed cathode or emitter stage followed by earthed grid or base stage respectively

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)

Abstract

PURPOSE:To make the circuit integration easy, by making stable a voltage between collector and emitter of an input side transistor in cascode connection transistors with a voltage source consisting of an FET and a diode. CONSTITUTION:Since a transistor TR4 and an FET TR5 are of opposite polarity with inverted Darlington connection, the drain current of TR5 is less and the voltage between gate and source is surely developed even with a field effect transistor with less IDSS. Thus, a current flows to diodes D1-D3 via a resistor R4 with an inverted bias voltage between source and gate of TR5, and a voltage between collector and emitter of a transistor TR6 is fixed to the source voltage of TR5.
JP14292879A 1979-11-05 1979-11-05 cascode circuit Expired JPS6016126B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14292879A JPS6016126B2 (en) 1979-11-05 1979-11-05 cascode circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14292879A JPS6016126B2 (en) 1979-11-05 1979-11-05 cascode circuit

Publications (2)

Publication Number Publication Date
JPS5666908A true JPS5666908A (en) 1981-06-05
JPS6016126B2 JPS6016126B2 (en) 1985-04-24

Family

ID=15326887

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14292879A Expired JPS6016126B2 (en) 1979-11-05 1979-11-05 cascode circuit

Country Status (1)

Country Link
JP (1) JPS6016126B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58202605A (en) * 1982-05-21 1983-11-25 Hitachi Ltd Cascode amplifier
JPS6096005A (en) * 1983-10-03 1985-05-29 バアー‐ブラウン　コーポレーシヨン Cascode circuit wihtout noise efficiently using die area
US5193135A (en) * 1990-10-31 1993-03-09 Kabushiki Kaisha Machida Seisakusho Optical connector and endoscope with optical connector
WO2004042916A1 (en) * 2002-11-04 2004-05-21 Koninklijke Philips Electronics N.V. Simple self-biased cascode amplifier circuit

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07140518A (en) * 1993-11-19 1995-06-02 Rhythm Watch Co Ltd Iris diaphragm device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58202605A (en) * 1982-05-21 1983-11-25 Hitachi Ltd Cascode amplifier
JPH0452643B2 (en) * 1982-05-21 1992-08-24 Hitachi Ltd
JPS6096005A (en) * 1983-10-03 1985-05-29 バアー‐ブラウン　コーポレーシヨン Cascode circuit wihtout noise efficiently using die area
US5193135A (en) * 1990-10-31 1993-03-09 Kabushiki Kaisha Machida Seisakusho Optical connector and endoscope with optical connector
WO2004042916A1 (en) * 2002-11-04 2004-05-21 Koninklijke Philips Electronics N.V. Simple self-biased cascode amplifier circuit

Also Published As

Publication number Publication date
JPS6016126B2 (en) 1985-04-24

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